Of course MAC based firewall rules could help also. You could also set up a VLAN if your software / systems support that and put the host LAN on Vlan #1 and the VM guest on Vlan #2 or whatever. if the host LAN isġ92.168.1.10/24, you could set the VM guest as 10.10.0.10/24 to make it harder for IP level packets to go between VM guest and VM host LAN machines. You can start by giving the VM guest an IP address in a different block than the host, e.g.
As others have said, you can set the VM guest to use a more isolated LAN configuration so that it is not on the same logical network as your host machine or other machines on your LAN. If the VM has network access, as others have said, it can potentially use the network to attack your local host machine or other machines on your LAN. Needless to say, it is a bad idea to permissively share lots of drives / major folders between the host OS and the VM, et.
Try to find one made within the last few weeks so it'll be more likely to have more of the recent OS and browser security updates already applied to it.Īs others have said, some very nasty kinds of malware can detect VMs and break out of them due to bugs or intentionally insecure configurations of the VM software itself. VMWare has others that are almost ready to download and run without doing much anything to them typically these are LINUX distributions like Ubuntu 8.04.1 or Fedora 9 or whatever with Firefox 3.01.whatever at least in the latest packages of them. I think it is a great idea to set up a VM to use a web browser in.
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